Coord 2000 | 20257+6011 |
Discov num | A 731 |
Comp | Coord arcsec 2000 | 20 25 42.81 +60 10 39.4 |
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Date first | 1904 |
Date last | 2016 |
Obs | 10 |
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Pa first | 214 |
Pa last | 217 |
P.A. Now (θ) | 217° |
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Sep first | 2.2 |
Sep last | 2.3 |
Sep. Now (ρ) | 2.3" |
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Mag pri | 7.54 |
Mag sec | 11.05 |
delta mag (ΔM) | 3.51 |
Spectral class | F0I (yellow-white) |
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Pri motion ra | +029 |
Sec motion ra | +028 |
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Pri motion dec | +016 |
Sec motion dec | +013 |
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Notes |
Precise pa | 217.1 |
Precise sep | 2.292 |
Constellation | Hydra |
SAO | 18858 |
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HIP | 100759 |
Tycho2 | 4233-01643-1 |
Gaia DR2 | 2188730697145379584 |
HD | 195013 |
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BD | BD+59 2234 |
Distance | 184.5 |
Distance ly | 601.84 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20257+6011 | A 731 | 1991 | 8 | 217 | 2.3 | 7.54 | 11.05 | F0I | D | 202542.81+601039.4 | |
20257+6011 | A 731 | 2015 | 9 | 217 | 2.3 | 7.54 | 11.05 | F0I | 202542.81+601039.4 |